66 LTTTORXID7E. 



Alt. 8, diam. 6 mm. 1 A young specimen with 



Aperture: alt. 4-5, diam. 3'5 mm.) perfect spire. 



Alt. 9-5, diam. 7 mm. 1 An old specimen with eroded 



Aperture : stlt. 6, diam. 5 mm. J spire. 



Hab. Near Poonah. 



Var. canaliculatus, Stanford, J. A. S. B. xxxix, pt. 2, 1870, 

 p. 11, pi. 3, fig. 4. 



Original description : Sutura canaliculata, anfractibus juxta 

 suturam acute cariuatis. 

 Alt. 8, diam. 6'5 mm. 

 Hal. Torna. 



133. Cremnoconchus carinatus (Layard). 



Cremnoconchus carinatus (Layard), P. Z. S. 18o4, p. 94 (as 

 Anculotus) ; Blanford, J. A" S. B. xxxix, pt. 2, 1870, p. 12, 

 pi. 3, fig, 5 ; op. cit. xlix, pi. 2, p. 221. 



Original description : Shell somewhat globose ; axis 5 lines, 

 diam. 4 lines. Spire exserted, short. Whorls inflated, rather 

 square, sharply keeled round the inferior angle, minutely; longi- 

 tudinally striated. Colour dull olive, marked faintly with two or 

 three broad bands of dark rufous-brown, which are very apparent 

 in the aperture : columellar lip white, stained with a light dash of 

 the same rufous-brown on the exterior margin. 



No dimensions being given the following is taken from 

 Blanford's description (J. A. S. B. xxxix, pt. 2, p. 12). 



Alt. 7*5, diam. 5 mm. 



Hab. Streams in the Mahableshwar Hills, Bombay Presidency. 



Subgenus BITHINELLA. 



Bithinella, Moquin-Tandon, 1851, J. de Conch. Paris, p. 239, 

 & Hist. Moll. Terr. Fluv. France, 1855, p. 516 (as Bythinella}. 



TYPE, Bulimus viridis, Poiret ; Europe. 



Range. Europe ; Asia ; N. America. 



Shell having the opercuium set far back in the interior ; it is 

 also subcorneous, spirally striate, with excentric nucleus. 



134. Bithinella canningensis, Preston. 



Bithinella canninyensis, Preston, A. M. N. II. ser. 7, xix, 1907, 

 p. 216 (fig. in text). 



Original description: Shell subperforate, pyramidal, dull 

 yellowish-brown horn-colour ; remaining whorls 3, somewhat 

 convex ; sutures well impressed ; aperture oval ; peristome 

 simple, continuous ; opercuium horny, paucispiral. 



Alt. 1*75, diam. maj. 1 mm. 



Hab. Port Canning, Lower Bengal ; in brackish pools. 



Type in Indian Museum, Calcutta. 



